RE: [CAD_CAM_EDM_DRO] which steppers to buy?

I ran my Shoptask (identical sized machine to the smithy) on some 250 in/oz
motors when I first started. It was setup with a 2:1 reduction and the
maximum rapid rate was about 20 ipm and cutting rates were under 10 ipm. It
definitely worked. I then upgraded to 550 in/oz motors and rapids went up to
75 ipm or so and cut up to 30 ipm or so. The machine was much more enjoyable
to use. I have communicated with a number of people that have used 150 in/oz
motors on the Shoptask and while it does work none of them were happy until
they put on bigger motors.

Tim
[Denver, CO]

> -----Original Message-----
> Ok Group every one is saying to use at least a 200oz
> stepper .I called Smithy and asked then what they
> would suggest stepper s for the 17X20 3 in 1 they sell
> I was told that a 150 oz stepper and a 3:1 timing gear
> now I am confused is this rating they say too small I
> do have these stepper s now. I thought I should give
> them a try just for the heck of it . Am I looking for
> trouble using a small stepper I know that I can not
> get any real speed out of them , but going slow I
> think may be go till I learn more.
>
>
> John
>
> FAQ: http://www.ktmarketing.com/faq.html